| BRBish's Rv INC. | Idaho Falls | ID | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| BCBison Customs LLC | Preston | ID | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BCBlue Chip Professional Services, L.l.c | Boise | ID | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| BCBoho Coffee LLC | Garden City | ID | Food Manufacturing311920 | — | ◇ UNVERIFIED |
 Boise Cascade Materials Distribution | Idaho Falls | ID | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| BFBoise Foundry and Machine | Melba | ID | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BSBoise Stone, INC. | Boise | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BIBreda, INC. | Nampa | ID | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| BCBridon Cordage | Jerome | ID | Textile Product Mills314994 | — | ◇ UNVERIFIED |
| BSBroemeling Steel and Machine | Lewiston | ID | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BSBuckSnort Soda Company LLC | Garden City | ID | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| BABuffalo Arms Company | Ponderay | ID | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
 Burly Products, INC | Post Falls | ID | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BFButte Fence, INC. | Meridian | ID | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CCCalifornia Closets | Post Falls | ID | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| CCCapitol Construction and Millworks, INC. | Blackfoot | ID | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| CACasa Antigua, LLC | Rigby | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CVCasa Valdez, INC. | Caldwell | ID | Food Manufacturing311830 | — | ◇ UNVERIFIED |
| CCCedar Creek Renewable Energy CORP | Caldwell | ID | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CRCentennial Renewable Energy, LLC | Pocatello | ID | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| CPCentral Pre-mix 00330 | Idaho | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCentral Pre-mix Site | Coeur D Alene | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CBChapman Boat Repair, INC. | Garden City | ID | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| CMCharlottetown Metal Products, LTD | Caldwell | ID | Machinery Manufacturing333294 | — | ◇ UNVERIFIED |
| CSCitizen Scientific Workshop LLC | Boise | ID | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| CCClearwater Concrete, INC. | Kooskia | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CCClearwater Custom Bullets | Kamiah | ID | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| CSCnc Solutions, INC. | Boise | ID | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| CDCoeur d'Alene Wood, LLC. | Post Falls | ID | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CFConagra Foods | Eagle | ID | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| CWConestoga Wagon Co LLC | Bloomington | ID | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Consolidated Concrete Joplin Road | Garden City | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCooper Ready Mix 00314 | Salmon | ID | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCornerstone Concrete Services LLC | Boise | ID | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| COCorporation of the Presiding Bishopric of the Church of Jesus Christ of Lds | Garden City | ID | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| CDCorson Distilling Systems INC. | Boise | ID | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| CMCreative Mines LLC | Malad City | ID | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CLCreeAnna's LLC | Pocatello | ID | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CDCurb Design, LLC | Pocatello | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CFCurtiss-wright Flow Control Service Corporation | Idaho Falls | ID | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| CRCustom Roto-molding | Caldwell | ID | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| CECutting Edge Kitchens LLC | Garden City | ID | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CECutting Edge Logs LLC | Boise | ID | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| CECutting Edge Manufacturing, INC. | Nampa | ID | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DGD&a Glass Company, INC. | Boise | ID | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| DFDairy Farmers of America | Meridian | ID | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| DFDairy Farmers of America | Marsing | ID | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| DIDarling Incredients INC. | Kuna | ID | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| DWDaulton Woodworks | Moscow | ID | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| DLDecalcomania LLC | Meridian | ID | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
